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Buffer size in k, Poll character, Poll response – Printronix L5520 User Manual

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Serial Parameters (RS-232 and RS-422)

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The Online & BNF setting (the default setting) causes the
printer to assert the RTS signal only when the printer is online
and its internal serial buffer is not full.

The Offline or BF asserts the RTS signal when the printer is
offline or the internal serial buffer is full.

The Online setting causes the printer to assert the RTS signal
whenever the printer is online.

Buffer Size In K

Value: 1 - 128.

This parameter reflects the size in K of the printer’s data buffer.

Poll Character

Values: The allowable range is hex 0 through FF. The default value
for this parameter is 0.

This parameter selects the character that the printer recognizes as
the Series 1 poll character.

NOTE: This parameter is used only with the SERIES 1, 1 CH and

SERIES 1, 2 CH protocols. For SERIES 1, 1 CH
information, see page 69. For SERIES 1, 2 CH information,
see page 70.

Poll Response

Values: 0 to 30 MS. The default value for this parameter is 0+
Msec.

This parameter selects the Series 1 delay time, in milliseconds, that
the printer waits prior to sending the Series 1 response to the host.

NOTE: This parameter is used only with the SERIES 1, 1 CH and

SERIES 1, 2 CH protocols. For SERIES 1, 1 CH
information, see page 69. For SERIES 1, 2 CH information,
see page 70.